As Stimulus Intensity Is Increased, Recording from a Single Neuron

question 5

Multiple Choice

 As stimulus intensity is increased, recording from a single neuron shows that _____.

• A) the amplitude of the action potential increases
• B) the amplitude of the action potential decreases
• C) the amplitude of the action potential may increase or decrease, depending on the stimulus
• D) the rate of firing of the nerve fiber increases

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Definitions:

Psychoactive Drug

Any substance that affects the mind, altering mood, perception, or consciousness, including medications and recreational drugs.

Susceptibility

The degree to which a person or organism can be affected by a particular agent or condition.

EEG Recordings

Electrical recordings of brain activity obtained through electrodes placed on the scalp, used in neuroscience research.

Alpha Waves

Brain wave patterns associated with relaxed and calm states of mind, typically present when a person is awake but relaxed.